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erik [133]
2 years ago
12

Marley had $120 to buy books. She purchased 6 books and has $18 left. How much was each book?

Mathematics
1 answer:
Hatshy [7]2 years ago
3 0

Answer:

$17

Step-by-step explanation:

If Marley had $120 to buy books and has a remainder of $18 left, then you would subtract 18 from 120 first.

120 - 18 = 102

Next you would divide.

102/6 = 17

The price of each book was $17.

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gwen- 15times 2

alex-15 plus 7

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6 0
3 years ago
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A company introduces a new product for which the number of units sold S is
KonstantinChe [14]
(a) The "average value" of a function over an interval [a,b] is defined to be 

(1/(b-a)) times the integral of f from the limits x= a to x = b. 

Now S = 200(5 - 9/(2+t)) 

The average value of S during the first year (from t = 0 months to t = 12 months) is then: 

(1/12) times the integral of 200(5 - 9/(2+t)) from t = 0 to t = 12 

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This equals 200/12 * (5t -9ln(2+t)) 

Evaluating this with the limits t= 0 to t = 12 gives: 

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(b). We need to find S'(t), and then equate this with the average value. 

Now S'(t) = 1800/(t+2)^2 

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6 0
2 years ago
How do you do this problem?
faust18 [17]

The volume of the original cylinder is

... V = π·r²·h

For r=1 and h=1, this is

... V = π·1²·1 = π

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... V = 1.089π = π·1.1²·(1-k)

... 1.089/1.21 = 1-k

... k = 1 - 1.089/1.21 = 1 - 0.9 = 0.1 = 10%

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7 0
3 years ago
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RUDIKE [14]

Answer:

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2.)_(1.50/2 =.75 cents. 2.70/3 =.90 cents.)

3.) i first added the fractions ( i equalized them) then i added the whole numbers (the u in the equation was to separate the whole num. and fraction )

Before i equalized it: (6u3/4 + 1u1/8 = 7u1/8 + 1/8 = 8u3/8)

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3 years ago
A water sprinkler sprays in a circular pattern a distance of 10 ft from the sprinkler to the edge. What is the circumference of
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Answer:

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Step-by-step explanation:

7 0
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